354666541 has 2 divisors, whose sum is σ = 354666542. Its totient is φ = 354666540.

The previous prime is 354666517. The next prime is 354666569. The reversal of 354666541 is 145666453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183710916 + 170955625 = 13554^2 + 13075^2 .

It is an emirp because it is prime and its reverse (145666453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354666541 - 2⁷ = 354666413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354666494 and 354666503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354666581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177333270 + 177333271.

It is an arithmetic number, because the mean of its divisors is an integer number (177333271).

Almost surely, 2^354666541 is an apocalyptic number.

It is an amenable number.

354666541 is a deficient number, since it is larger than the sum of its proper divisors (1).

354666541 is an equidigital number, since it uses as much as digits as its factorization.

354666541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The square root of 354666541 is about 18832.5925193533. The cubic root of 354666541 is about 707.8481039916.

The spelling of 354666541 in words is "three hundred fifty-four million, six hundred sixty-six thousand, five hundred forty-one".